.aboutus-head-img-box {
    width: 100%;
    position: relative;
}

.aboutus-head-img-box>div {
    position: absolute;
    top: calc(50% - 100px);
    left: calc(50% - 96.5px);
    display: flex;
    flex-flow: column;
    align-items: center;
}

.aboutus-head-img-box>div>div {
    font-size: 40px;
    color: #ffffff;

}

.aboutus-content {
    text-align: center;
    box-sizing: border-box;
    padding: 50px 20px;
}

.all-jieshao {
    display: flex;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    gap: 20px;
}

.xiezl-box {
    max-width: 400px;
}

.jieshao-box {
    max-width: 900px;
    margin: 0 auto;
}

.imp-title {
    font-size: 20px;
    font-weight: bold;
    padding-bottom: 10px;
}

.noimp-title {
    font-size: 16px;
}

.us-content {
    font-size: 16px;
    line-height: 26px;
    text-align: left;
    text-indent: 2em;
}

.gs-weizhi {
    max-width: 900px;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.gs-weizhi>div:last-of-type {}

.ditu-box {
    width: 100%;
}

.ditu-box>img {
    width: 100%;
}

#container {
    max-width: 900px;
    height: 300px;
}

.amap-logo,
.amap-copyright,
.amap-info-close {
    display: none !important;
}

.no600 {
    display: none;
}


.text-s {
    text-shadow: 2px 2px 5px #000000;
}

@media screen and (max-width:900px) {
    .all-jieshao {
        flex-flow: column;
    }

    .no600 {
        display: block;
        margin: 10px auto;
    }

    .noM600 {
        display: none;
    }

    .aboutus-head-img-box>div>div {
        font-size: 34px;
    }

    .aboutus-head-img-box>div {
        top: calc(50% - 60px);
        left: calc(50% - 82px);
    }
}

.joinus-box {
    width: 100%;
    position: relative;
}

.joinus-text {
    position: absolute;
    left: calc(50% - 165px);
    top: calc(50% - 60px);
    display: flex;
    flex-flow: column;
    align-items: center;
}

.joinus-wenan {
    font-size: 40px;
    color: #ffffff;
}

.join-btn {
    border: 1px solid #ffffff;
    color: #ffffff;
    cursor: pointer;
    padding: 5px 10px;
    margin-top: 30px;
    transition: all 0.3s;
    border-radius: 2px;
}

.join-btn:hover {
    border: 1px solid #d1d1d1;
    color: #d1d1d1;
}

@media screen and (max-width:800px) {
    .gs-weizhi {
        flex-flow: column;
    }
}

@media screen and (max-width:600px) {
    .xiezl-box {
        max-width: 100%;
    }

    .aboutus-head-img-box>div>div {
        font-size: 24px;
    }

    .aboutus-head-img-box>div {
        top: calc(50% - 40px);
        left: calc(50% - 58px);
    }

    .joinus-wenan {
        font-size: 30px;
    }

    .joinus-text {
        left: calc(50% - 124px);
        top: calc(50% - 50px);
    }
}